On this day: January 10

Caesar crosses the Rubicon, the London Underground opens, RCA introduces the 45 rpm single, The Beatles' first U.S. record is released, and Wendy's asks "Where's the Beef?," all on this day.

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2011: A judge orders former U.S. House Majority Leader Tom DeLay to serve three years in prison for his role in a scheme to illegally funnel corporate money to Texas candidates in 2002. DeLay remained free on bail while appealing his conviction, which was eventually overturned on Sept. 19, 2013.